Home / 637,391,036.10-956,086,554.15-378,472,980.90

Finding the Fourth Proportional to 637,391,036.10, 956,086,554.15 and 378,472,980.90

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Solution

The fourth proportional to 637,391,036.10, 956,086,554.15 and 378,472,980.90 is: 567,709,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,391,036.10 : 956,086,554.15 = 378,472,980.90 : x
  2. Step 2: Convert to fraction form
    637,391,036.10/956,086,554.15 = 378,472,980.90/x
  3. Step 3: Cross multiply
    637,391,036.10x = 956,086,554.15 × 378,472,980.90
  4. Step 4: Simplify right side
    637,391,036.10x = 361,852,928,147,559,744
  5. Step 5: Solve for x
    x = 361,852,928,147,559,744/637,391,036.10
  6. Step 6: Final answer
    x = 567,709,471.35

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.